74000743440 has 80 divisors (see below), whose sum is σ = 247048646208. Its totient is φ = 18215566848.

The previous prime is 74000743423. The next prime is 74000743457. The reversal of 74000743440 is 4434700047.

It is an interprime number because it is at equal distance from previous prime (74000743423) and next prime (74000743457).

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×74000743440² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11855974 + ... + 11862213.

Almost surely, 2^74000743440 is an apocalyptic number.

It is an amenable number.

74000743440 is an abundant number, since it is smaller than the sum of its proper divisors (173047902768).

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

74000743440 is a wasteful number, since it uses less digits than its factorization.

74000743440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23718216 (or 23718210 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 33.

The spelling of 74000743440 in words is "seventy-four billion, seven hundred forty-three thousand, four hundred forty".