74648622 has 16 divisors (see below), whose sum is σ = 149778000. Its totient is φ = 24802752.

The previous prime is 74648617. The next prime is 74648627. The reversal of 74648622 is 22684647.

It is an interprime number because it is at equal distance from previous prime (74648617) and next prime (74648627).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74648627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17997 + ... + 21752.

It is an arithmetic number, because the mean of its divisors is an integer number (9361125).

Almost surely, 2^74648622 is an apocalyptic number.

74648622 is an abundant number, since it is smaller than the sum of its proper divisors (75129378).

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

74648622 is a wasteful number, since it uses less digits than its factorization.

74648622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40067.

The product of its digits is 129024, while the sum is 39.

The square root of 74648622 is about 8639.9434025924. The cubic root of 74648622 is about 421.0567155026.

The spelling of 74648622 in words is "seventy-four million, six hundred forty-eight thousand, six hundred twenty-two".