39764742 has 32 divisors (see below), whose sum is σ = 82810080. Its totient is φ = 12714240.

The previous prime is 39764737. The next prime is 39764807. The reversal of 39764742 is 24746793.

It is a junction number, because it is equal to n+sod(n) for n = 39764694 and 39764703.

It is a congruent number.

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, 29442 + ... + 30762.

It is an arithmetic number, because the mean of its divisors is an integer number (2587815).

Almost surely, 2^39764742 is an apocalyptic number.

39764742 is an abundant number, since it is smaller than the sum of its proper divisors (43045338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39764742 is a wasteful number, since it uses less digits than its factorization.

39764742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528.

The product of its digits is 254016, while the sum is 42.

The square root of 39764742 is about 6305.9291147300. The cubic root of 39764742 is about 341.3233946979.

The spelling of 39764742 in words is "thirty-nine million, seven hundred sixty-four thousand, seven hundred forty-two".