72064701 has 16 divisors (see below), whose sum is σ = 112382400. Its totient is φ = 45514224.

The previous prime is 72064691. The next prime is 72064709. The reversal of 72064701 is 10746027.

It is not a de Polignac number, because 72064701 - 2¹⁷ = 71933629 is a prime.

It is a super-3 number, since 3×72064701³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72064709) 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, 69726 + ... + 70751.

It is an arithmetic number, because the mean of its divisors is an integer number (7023900).

Almost surely, 2^72064701 is an apocalyptic number.

It is an amenable number.

72064701 is a deficient number, since it is larger than the sum of its proper divisors (40317699).

72064701 is a wasteful number, since it uses less digits than its factorization.

72064701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140505 (or 140499 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 72064701 is about 8489.0930610990. The cubic root of 72064701 is about 416.1413416568.

The spelling of 72064701 in words is "seventy-two million, sixty-four thousand, seven hundred one".