Search a number
-
+
74691125 = 537732
BaseRepresentation
bin1000111001110…
…11001000110101
312012112200221222
410130323020311
5123110104000
611224520125
71564602245
oct434731065
9165480858
1074691125
1139185603
1221020045
1312621b42
149cc3b25
156855a85
hex473b235

74691125 has 12 divisors (see below), whose sum is σ = 93335268. Its totient is φ = 59675600.

The previous prime is 74691101. The next prime is 74691137. The reversal of 74691125 is 52119647.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 61434244 + 13256881 = 7838^2 + 3641^2 .

It is not a de Polignac number, because 74691125 - 26 = 74691061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96239 + ... + 97011.

It is an arithmetic number, because the mean of its divisors is an integer number (7777939).

Almost surely, 274691125 is an apocalyptic number.

It is an amenable number.

74691125 is a deficient number, since it is larger than the sum of its proper divisors (18644143).

74691125 is an frugal number, since it uses more digits than its factorization.

74691125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561 (or 778 counting only the distinct ones).

The product of its digits is 15120, while the sum is 35.

The square root of 74691125 is about 8642.4027330367. The cubic root of 74691125 is about 421.1366132852.

The spelling of 74691125 in words is "seventy-four million, six hundred ninety-one thousand, one hundred twenty-five".

Divisors: 1 5 25 125 773 3865 19325 96625 597529 2987645 14938225 74691125