74072750 has 32 divisors (see below), whose sum is σ = 139815936. Its totient is φ = 29383200.

The previous prime is 74072737. The next prime is 74072753. The reversal of 74072750 is 5727047.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74072753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30584 + ... + 32916.

It is an arithmetic number, because the mean of its divisors is an integer number (4369248).

Almost surely, 2^74072750 is an apocalyptic number.

74072750 is a deficient number, since it is larger than the sum of its proper divisors (65743186).

74072750 is a wasteful number, since it uses less digits than its factorization.

74072750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477 (or 2467 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 32.

The square root of 74072750 is about 8606.5527361424. The cubic root of 74072750 is about 419.9711809402.

Adding to 74072750 its reverse (5727047), we get a palindrome (79799797).

The spelling of 74072750 in words is "seventy-four million, seventy-two thousand, seven hundred fifty".