74907630 has 48 divisors (see below), whose sum is σ = 222584544. Its totient is φ = 17121600.

The previous prime is 74907629. The next prime is 74907631. The reversal of 74907630 is 3670947.

It is an interprime number because it is at equal distance from previous prime (74907629) and next prime (74907631).

It is a super-2 number, since 2×74907630² = 11222306064433800, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74907631) 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, 58821 + ... + 60080.

It is an arithmetic number, because the mean of its divisors is an integer number (4637178).

Almost surely, 2^74907630 is an apocalyptic number.

74907630 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

74907630 is an abundant number, since it is smaller than the sum of its proper divisors (147676914).

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

74907630 is a wasteful number, since it uses less digits than its factorization.

74907630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118921 (or 118918 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 74907630 is about 8654.9194103700. The cubic root of 74907630 is about 421.5431329154.

The spelling of 74907630 in words is "seventy-four million, nine hundred seven thousand, six hundred thirty".