72467290 has 16 divisors (see below), whose sum is σ = 149075712. Its totient is φ = 24845904.

The previous prime is 72467287. The next prime is 72467299. The reversal of 72467290 is 9276427.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (72467299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517554 + ... + 517693.

It is an arithmetic number, because the mean of its divisors is an integer number (9317232).

Almost surely, 2^72467290 is an apocalyptic number.

72467290 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72467290 is an abundant number, since it is smaller than the sum of its proper divisors (76608422).

72467290 is a wasteful number, since it uses less digits than its factorization.

72467290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035261.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 72467290 is about 8512.7721689236. The cubic root of 72467290 is about 416.9148267482.

The spelling of 72467290 in words is "seventy-two million, four hundred sixty-seven thousand, two hundred ninety".