72467380 has 12 divisors (see below), whose sum is σ = 152181540. Its totient is φ = 28986944.

The previous prime is 72467363. The next prime is 72467419. The reversal of 72467380 is 8376427.

It can be written as a sum of positive squares in 2 ways, for example, as 37112464 + 35354916 = 6092^2 + 5946^2 .

It is a congruent number.

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, 1811665 + ... + 1811704.

It is an arithmetic number, because the mean of its divisors is an integer number (12681795).

Almost surely, 2^72467380 is an apocalyptic number.

It is an amenable number.

72467380 is an abundant number, since it is smaller than the sum of its proper divisors (79714160).

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

72467380 is a wasteful number, since it uses less digits than its factorization.

72467380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3623378 (or 3623376 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 72467380 is about 8512.7774550965. Note that the first 3 decimals coincide. The cubic root of 72467380 is about 416.9149993425.

The spelling of 72467380 in words is "seventy-two million, four hundred sixty-seven thousand, three hundred eighty".