74308630 has 48 divisors (see below), whose sum is σ = 152654544. Its totient is φ = 25826240.

The previous prime is 74308613. The next prime is 74308631. The reversal of 74308630 is 3680347.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 74308592 and 74308601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74308631) 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, 57552 + ... + 58828.

It is an arithmetic number, because the mean of its divisors is an integer number (3180303).

Almost surely, 2^74308630 is an apocalyptic number.

74308630 is an abundant number, since it is smaller than the sum of its proper divisors (78345914).

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

74308630 is a wasteful number, since it uses less digits than its factorization.

74308630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341 (or 1318 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 74308630 is about 8620.2453561369. The cubic root of 74308630 is about 420.4164991565.

Adding to 74308630 its reverse (3680347), we get a palindrome (77988977).

The spelling of 74308630 in words is "seventy-four million, three hundred eight thousand, six hundred thirty".