65742004 has 18 divisors (see below), whose sum is σ = 120271970. Its totient is φ = 31440816.

The previous prime is 65741993. The next prime is 65742013. The reversal of 65742004 is 40024756.

It can be written as a sum of positive squares in only one way, i.e., 57608100 + 8133904 = 7590^2 + 2852^2 .

It is a super-2 number, since 2×65742004² = 8644022179872032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13419 + ... + 17650.

Almost surely, 2^65742004 is an apocalyptic number.

It is an amenable number.

65742004 is a deficient number, since it is larger than the sum of its proper divisors (54529966).

65742004 is a wasteful number, since it uses less digits than its factorization.

65742004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31119 (or 31094 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 65742004 is about 8108.1443006399. The cubic root of 65742004 is about 403.5967367755.

The spelling of 65742004 in words is "sixty-five million, seven hundred forty-two thousand, four".