72410740 has 12 divisors (see below), whose sum is σ = 152062596. Its totient is φ = 28964288.

The previous prime is 72410731. The next prime is 72410749. The reversal of 72410740 is 4701427.

It is an interprime number because it is at equal distance from previous prime (72410731) and next prime (72410749).

It can be written as a sum of positive squares in 2 ways, for example, as 29008996 + 43401744 = 5386^2 + 6588^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72410749) 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, 1810249 + ... + 1810288.

It is an arithmetic number, because the mean of its divisors is an integer number (12671883).

Almost surely, 2^72410740 is an apocalyptic number.

It is an amenable number.

72410740 is an abundant number, since it is smaller than the sum of its proper divisors (79651856).

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

72410740 is a wasteful number, since it uses less digits than its factorization.

72410740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3620546 (or 3620544 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 72410740 is about 8509.4500409838. The cubic root of 72410740 is about 416.8063517439.

The spelling of 72410740 in words is "seventy-two million, four hundred ten thousand, seven hundred forty".