72361207 has 4 divisors (see below), whose sum is σ = 72457056. Its totient is φ = 72265360.

The previous prime is 72361193. The next prime is 72361213. The reversal of 72361207 is 70216327.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70216327 = 6679 ⋅10513.

It is a cyclic number.

It is not a de Polignac number, because 72361207 - 2¹¹ = 72359159 is a prime.

It is a super-2 number, since 2×72361207² = 10472288556993698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72361277) 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, 46783 + ... + 48304.

It is an arithmetic number, because the mean of its divisors is an integer number (18114264).

Almost surely, 2^72361207 is an apocalyptic number.

72361207 is a deficient number, since it is larger than the sum of its proper divisors (95849).

72361207 is an equidigital number, since it uses as much as digits as its factorization.

72361207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95848.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 72361207 is about 8506.5390729720. The cubic root of 72361207 is about 416.7112904385.

The spelling of 72361207 in words is "seventy-two million, three hundred sixty-one thousand, two hundred seven".