74457696 has 24 divisors (see below), whose sum is σ = 195451704. Its totient is φ = 24819200.

The previous prime is 74457689. The next prime is 74457701. The reversal of 74457696 is 69675447.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387705 + ... + 387896.

It is an arithmetic number, because the mean of its divisors is an integer number (8143821).

Almost surely, 2^74457696 is an apocalyptic number.

It is an amenable number.

74457696 is an abundant number, since it is smaller than the sum of its proper divisors (120994008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74457696 is a wasteful number, since it uses less digits than its factorization.

74457696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775614 (or 775606 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 48.

The square root of 74457696 is about 8628.8872979081. The cubic root of 74457696 is about 420.6974353298.

The spelling of 74457696 in words is "seventy-four million, four hundred fifty-seven thousand, six hundred ninety-six".