30745629 has 32 divisors (see below), whose sum is σ = 48662400. Its totient is φ = 19128960.

The previous prime is 30745609. The next prime is 30745633. The reversal of 30745629 is 92654703.

It is not a de Polignac number, because 30745629 - 2⁷ = 30745501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30745593 and 30745602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30745609) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37039 + ... + 37859.

It is an arithmetic number, because the mean of its divisors is an integer number (1520700).

Almost surely, 2^30745629 is an apocalyptic number.

It is an amenable number.

30745629 is a deficient number, since it is larger than the sum of its proper divisors (17916771).

30745629 is a wasteful number, since it uses less digits than its factorization.

30745629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 30745629 is about 5544.8741194007. The cubic root of 30745629 is about 313.2764826941.

The spelling of 30745629 in words is "thirty million, seven hundred forty-five thousand, six hundred twenty-nine".