74272468 has 12 divisors (see below), whose sum is σ = 133489972. Its totient is φ = 36132480.

The previous prime is 74272453. The next prime is 74272469. The reversal of 74272468 is 86427247.

It can be written as a sum of positive squares in 2 ways, for example, as 28005264 + 46267204 = 5292^2 + 6802^2 .

It is a super-2 number, since 2×74272468² = 11032799005622048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74272468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74272469) 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, 250773 + ... + 251068.

Almost surely, 2^74272468 is an apocalyptic number.

It is an amenable number.

74272468 is a deficient number, since it is larger than the sum of its proper divisors (59217504).

74272468 is a wasteful number, since it uses less digits than its factorization.

74272468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501882 (or 501880 counting only the distinct ones).

The product of its digits is 150528, while the sum is 40.

The square root of 74272468 is about 8618.1475967867. The cubic root of 74272468 is about 420.3482900835.

The spelling of 74272468 in words is "seventy-four million, two hundred seventy-two thousand, four hundred sixty-eight".