74916439 has 8 divisors (see below), whose sum is σ = 81148032. Its totient is φ = 68751840.

The previous prime is 74916437. The next prime is 74916461. The reversal of 74916439 is 93461947.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74916439 - 2¹ = 74916437 is a prime.

It is a super-2 number, since 2×74916439² = 11224945664881442, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74916395 and 74916404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74916437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14407 + ... + 18904.

It is an arithmetic number, because the mean of its divisors is an integer number (10143504).

Almost surely, 2^74916439 is an apocalyptic number.

74916439 is a deficient number, since it is larger than the sum of its proper divisors (6231593).

74916439 is a wasteful number, since it uses less digits than its factorization.

74916439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33497.

The product of its digits is 163296, while the sum is 43.

The square root of 74916439 is about 8655.4282967396. The cubic root of 74916439 is about 421.5596565010.

The spelling of 74916439 in words is "seventy-four million, nine hundred sixteen thousand, four hundred thirty-nine".