74646469 has 4 divisors (see below), whose sum is σ = 75371296. Its totient is φ = 73921644.

The previous prime is 74646461. The next prime is 74646487. The reversal of 74646469 is 96464647.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74646469 - 2³ = 74646461 is a prime.

It is a super-2 number, since 2×74646469² = 11144190668335922, 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 (74646461) 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, 362259 + ... + 362464.

It is an arithmetic number, because the mean of its divisors is an integer number (18842824).

Almost surely, 2^74646469 is an apocalyptic number.

It is an amenable number.

74646469 is a deficient number, since it is larger than the sum of its proper divisors (724827).

74646469 is a wasteful number, since it uses less digits than its factorization.

74646469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724826.

The product of its digits is 870912, while the sum is 46.

The square root of 74646469 is about 8639.8188059704. The cubic root of 74646469 is about 421.0526674537.

The spelling of 74646469 in words is "seventy-four million, six hundred forty-six thousand, four hundred sixty-nine".