30770460 has 72 divisors (see below), whose sum is σ = 106675296. Its totient is φ = 7032960.

The previous prime is 30770431. The next prime is 30770461. The reversal of 30770460 is 6407703.

It is a super-2 number, since 2×30770460² = 1893642417223200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30770461) 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, 10951 + ... + 13470.

Almost surely, 2^30770460 is an apocalyptic number.

30770460 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30770460 is an abundant number, since it is smaller than the sum of its proper divisors (75904836).

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

30770460 is a wasteful number, since it uses less digits than its factorization.

30770460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24443 (or 24438 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 30770460 is about 5547.1127625099. The cubic root of 30770460 is about 313.3607968483.

The spelling of 30770460 in words is "thirty million, seven hundred seventy thousand, four hundred sixty".