Search a number
-
+
74076887 = 312389577
BaseRepresentation
bin1000110101001…
…01001011010111
312011101111101102
410122211023113
5122430430022
611203420315
71556433413
oct432451327
9164344342
1074076887
11388a6075
122098469b
13124683a1
149ba3d43
156783a92
hex46a52d7

74076887 has 4 divisors (see below), whose sum is σ = 76466496. Its totient is φ = 71687280.

The previous prime is 74076869. The next prime is 74076889. The reversal of 74076887 is 78867047.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74076887 - 226 = 6968023 is a prime.

It is a super-2 number, since 2×740768872 = 10974770375221538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74076889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1194758 + ... + 1194819.

It is an arithmetic number, because the mean of its divisors is an integer number (19116624).

Almost surely, 274076887 is an apocalyptic number.

74076887 is a deficient number, since it is larger than the sum of its proper divisors (2389609).

74076887 is a wasteful number, since it uses less digits than its factorization.

74076887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389608.

The product of its (nonzero) digits is 526848, while the sum is 47.

The square root of 74076887 is about 8606.7930729163. The cubic root of 74076887 is about 419.9789993279.

The spelling of 74076887 in words is "seventy-four million, seventy-six thousand, eight hundred eighty-seven".

Divisors: 1 31 2389577 74076887