74456730 has 48 divisors (see below), whose sum is σ = 199839744. Its totient is φ = 19213920.

The previous prime is 74456729. The next prime is 74456731. The reversal of 74456730 is 3765447.

It is an interprime number because it is at equal distance from previous prime (74456729) and next prime (74456731).

It is not an unprimeable number, because it can be changed into a prime (74456731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10554 + ... + 16133.

It is an arithmetic number, because the mean of its divisors is an integer number (4163328).

Almost surely, 2^74456730 is an apocalyptic number.

74456730 is an abundant number, since it is smaller than the sum of its proper divisors (125383014).

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

74456730 is a wasteful number, since it uses less digits than its factorization.

74456730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26731 (or 26728 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 74456730 is about 8628.8313229545. The cubic root of 74456730 is about 420.6956159724.

The spelling of 74456730 in words is "seventy-four million, four hundred fifty-six thousand, seven hundred thirty".