34625730 has 32 divisors (see below), whose sum is σ = 85131648. Its totient is φ = 9008000.

The previous prime is 34625693. The next prime is 34625737. The reversal of 34625730 is 3752643.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (34625737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12846 + ... + 15305.

It is an arithmetic number, because the mean of its divisors is an integer number (2660364).

Almost surely, 2^34625730 is an apocalyptic number.

34625730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

34625730 is an abundant number, since it is smaller than the sum of its proper divisors (50505918).

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

34625730 is a wasteful number, since it uses less digits than its factorization.

34625730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28202.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 34625730 is about 5884.3631770991. The cubic root of 34625730 is about 325.9364863030.

The spelling of 34625730 in words is "thirty-four million, six hundred twenty-five thousand, seven hundred thirty".