74693472 has 96 divisors (see below), whose sum is σ = 229630464. Its totient is φ = 20812800.

The previous prime is 74693471. The next prime is 74693501. The reversal of 74693472 is 27439647.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×74693472² = 11158229518829568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74693471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26197 + ... + 28907.

It is an arithmetic number, because the mean of its divisors is an integer number (2391984).

Almost surely, 2^74693472 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 74693472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114815232).

74693472 is an abundant number, since it is smaller than the sum of its proper divisors (154936992).

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

74693472 is a wasteful number, since it uses less digits than its factorization.

74693472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2772 (or 2764 counting only the distinct ones).

The product of its digits is 254016, while the sum is 42.

The square root of 74693472 is about 8642.5385159686. The cubic root of 74693472 is about 421.1410243281.

The spelling of 74693472 in words is "seventy-four million, six hundred ninety-three thousand, four hundred seventy-two".