72536701 has 4 divisors (see below), whose sum is σ = 73905372. Its totient is φ = 71168032.

The previous prime is 72536693. The next prime is 72536713. The reversal of 72536701 is 10763527.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10763527 = 181 ⋅59467.

It can be written as a sum of positive squares in 2 ways, for example, as 27311076 + 45225625 = 5226^2 + 6725^2 .

It is a cyclic number.

It is not a de Polignac number, because 72536701 - 2³ = 72536693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72536791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 684256 + ... + 684361.

It is an arithmetic number, because the mean of its divisors is an integer number (18476343).

Almost surely, 2^72536701 is an apocalyptic number.

It is an amenable number.

72536701 is a deficient number, since it is larger than the sum of its proper divisors (1368671).

72536701 is a wasteful number, since it uses less digits than its factorization.

72536701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368670.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 72536701 is about 8516.8480672136. The cubic root of 72536701 is about 417.0478947877.

It can be divided in two parts, 72536 and 701, that added together give a palindrome (73237).

The spelling of 72536701 in words is "seventy-two million, five hundred thirty-six thousand, seven hundred one".