74933906 has 8 divisors (see below), whose sum is σ = 113664060. Its totient is φ = 37045888.

The previous prime is 74933899. The next prime is 74933981. The reversal of 74933906 is 60933947.

It can be written as a sum of positive squares in 2 ways, for example, as 74114881 + 819025 = 8609^2 + 905^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210311 + ... + 210666.

Almost surely, 2^74933906 is an apocalyptic number.

74933906 is a deficient number, since it is larger than the sum of its proper divisors (38730154).

74933906 is a wasteful number, since it uses less digits than its factorization.

74933906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421068.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 74933906 is about 8656.4372579024. The cubic root of 74933906 is about 421.5924166020.

Adding to 74933906 its sum of digits (41), we get a palindrome (74933947).

The spelling of 74933906 in words is "seventy-four million, nine hundred thirty-three thousand, nine hundred six".