30923074 has 32 divisors (see below), whose sum is σ = 57568896. Its totient is φ = 12130560.

The previous prime is 30923059. The next prime is 30923099. The reversal of 30923074 is 47032903.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23194 + ... + 24490.

It is an arithmetic number, because the mean of its divisors is an integer number (1799028).

Almost surely, 2^30923074 is an apocalyptic number.

30923074 is a deficient number, since it is larger than the sum of its proper divisors (26645822).

30923074 is a wasteful number, since it uses less digits than its factorization.

30923074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 30923074 is about 5560.8519131514. The cubic root of 30923074 is about 313.8780071630.

Adding to 30923074 its reverse (47032903), we get a palindrome (77955977).

The spelling of 30923074 in words is "thirty million, nine hundred twenty-three thousand, seventy-four".