30697407 has 32 divisors (see below), whose sum is σ = 51564800. Its totient is φ = 17892576.

The previous prime is 30697379. The next prime is 30697421. The reversal of 30697407 is 70479603.

It is not a de Polignac number, because 30697407 - 2¹⁰ = 30696383 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30697487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4368 + ... + 8970.

It is an arithmetic number, because the mean of its divisors is an integer number (1611400).

Almost surely, 2^30697407 is an apocalyptic number.

30697407 is a deficient number, since it is larger than the sum of its proper divisors (20867393).

30697407 is a wasteful number, since it uses less digits than its factorization.

30697407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4644 (or 4638 counting only the distinct ones).

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

The square root of 30697407 is about 5540.5240726848. The cubic root of 30697407 is about 313.1126141610.

The spelling of 30697407 in words is "thirty million, six hundred ninety-seven thousand, four hundred seven".