74103212 has 6 divisors (see below), whose sum is σ = 129680628. Its totient is φ = 37051604.

The previous prime is 74103209. The next prime is 74103229. The reversal of 74103212 is 21230147.

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 as a sum of consecutive naturals, namely, 9262898 + ... + 9262905.

It is an arithmetic number, because the mean of its divisors is an integer number (21613438).

Almost surely, 2^74103212 is an apocalyptic number.

It is an amenable number.

74103212 is a deficient number, since it is larger than the sum of its proper divisors (55577416).

74103212 is a wasteful number, since it uses less digits than its factorization.

74103212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18525807 (or 18525805 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 74103212 is about 8608.3222523323. The cubic root of 74103212 is about 420.0287433088.

Adding to 74103212 its reverse (21230147), we get a palindrome (95333359).

The spelling of 74103212 in words is "seventy-four million, one hundred three thousand, two hundred twelve".