72667460 has 12 divisors (see below), whose sum is σ = 152601708. Its totient is φ = 29066976.

The previous prime is 72667459. The next prime is 72667477. The reversal of 72667460 is 6476627.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8282884 + 64384576 = 2878^2 + 8024^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1816667 + ... + 1816706.

It is an arithmetic number, because the mean of its divisors is an integer number (12716809).

Almost surely, 2^72667460 is an apocalyptic number.

It is an amenable number.

72667460 is an abundant number, since it is smaller than the sum of its proper divisors (79934248).

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

72667460 is a wasteful number, since it uses less digits than its factorization.

72667460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3633382 (or 3633380 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 72667460 is about 8524.5211009182. The cubic root of 72667460 is about 417.2983428583.

It can be divided in two parts, 726 and 67460, that added together give a palindrome (68186).

The spelling of 72667460 in words is "seventy-two million, six hundred sixty-seven thousand, four hundred sixty".