Search a number
-
+
74897044 = 2218724261
BaseRepresentation
bin1000111011011…
…01011010010100
312012221011102121
410131231122110
5123133201134
611233145324
71566420505
oct435553224
9165834377
1074897044
1139306292
12210bb244
13126947a1
149d38bac
156896ab4
hex476d694

74897044 has 6 divisors (see below), whose sum is σ = 131069834. Its totient is φ = 37448520.

The previous prime is 74897041. The next prime is 74897047. The reversal of 74897044 is 44079847.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (74897041) and next prime (74897047).

It can be written as a sum of positive squares in only one way, i.e., 63808144 + 11088900 = 7988^2 + 3330^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74897041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9362127 + ... + 9362134.

Almost surely, 274897044 is an apocalyptic number.

It is an amenable number.

74897044 is a deficient number, since it is larger than the sum of its proper divisors (56172790).

74897044 is a wasteful number, since it uses less digits than its factorization.

74897044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18724265 (or 18724263 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 74897044 is about 8654.3078290525. The cubic root of 74897044 is about 421.5232743872.

The spelling of 74897044 in words is "seventy-four million, eight hundred ninety-seven thousand, forty-four".

Divisors: 1 2 4 18724261 37448522 74897044