74263887264 has 144 divisors (see below), whose sum is σ = 226884895776. Its totient is φ = 21207513600.

The previous prime is 74263887251. The next prime is 74263887283. The reversal of 74263887264 is 46278836247.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16795774 + ... + 16800194.

It is an arithmetic number, because the mean of its divisors is an integer number (1575589554).

Almost surely, 2^74263887264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74263887264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113442447888).

74263887264 is an abundant number, since it is smaller than the sum of its proper divisors (152621008512).

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

74263887264 is a wasteful number, since it uses less digits than its factorization.

74263887264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8019 (or 8004 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 57.

The spelling of 74263887264 in words is "seventy-four billion, two hundred sixty-three million, eight hundred eighty-seven thousand, two hundred sixty-four".