72324771474 has 32 divisors (see below), whose sum is σ = 153575744256. Its totient is φ = 22628286720.

The previous prime is 72324771469. The next prime is 72324771479. The reversal of 72324771474 is 47417742327.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (72324771469) and next prime (72324771479).

It is not an unprimeable number, because it can be changed into a prime (72324771479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 928597 + ... + 1003464.

It is an arithmetic number, because the mean of its divisors is an integer number (4799242008).

Almost surely, 2^72324771474 is an apocalyptic number.

72324771474 is an abundant number, since it is smaller than the sum of its proper divisors (81250972782).

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

72324771474 is a wasteful number, since it uses less digits than its factorization.

72324771474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932450.

The product of its digits is 1843968, while the sum is 48.

The spelling of 72324771474 in words is "seventy-two billion, three hundred twenty-four million, seven hundred seventy-one thousand, four hundred seventy-four".