74345372 has 6 divisors (see below), whose sum is σ = 130104408. Its totient is φ = 37172684.

The previous prime is 74345363. The next prime is 74345387. The reversal of 74345372 is 27354347.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9293168 + ... + 9293175.

It is an arithmetic number, because the mean of its divisors is an integer number (21684068).

Almost surely, 2^74345372 is an apocalyptic number.

It is an amenable number.

74345372 is a deficient number, since it is larger than the sum of its proper divisors (55759036).

74345372 is a wasteful number, since it uses less digits than its factorization.

74345372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18586347 (or 18586345 counting only the distinct ones).

The product of its digits is 70560, while the sum is 35.

The square root of 74345372 is about 8622.3762386015. The cubic root of 74345372 is about 420.4857795697.

Subtracting from 74345372 its reverse (27354347), we obtain a square (46991025 = 6855²).

The spelling of 74345372 in words is "seventy-four million, three hundred forty-five thousand, three hundred seventy-two".