65394072 has 48 divisors (see below), whose sum is σ = 183222000. Its totient is φ = 21045696.

The previous prime is 65394047. The next prime is 65394113. The reversal of 65394072 is 27049356.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13572 + ... + 17747.

It is an arithmetic number, because the mean of its divisors is an integer number (3817125).

Almost surely, 2^65394072 is an apocalyptic number.

It is an amenable number.

65394072 is an abundant number, since it is smaller than the sum of its proper divisors (117827928).

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

65394072 is a wasteful number, since it uses less digits than its factorization.

65394072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31360 (or 31353 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 65394072 is about 8086.6601264057. The cubic root of 65394072 is about 402.8834805691.

The spelling of 65394072 in words is "sixty-five million, three hundred ninety-four thousand, seventy-two".