72413502 has 16 divisors (see below), whose sum is σ = 165516672. Its totient is φ = 20689560.

The previous prime is 72413461. The next prime is 72413543. The reversal of 72413502 is 20531427.

It is an interprime number because it is at equal distance from previous prime (72413461) and next prime (72413543).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 862024 + ... + 862107.

It is an arithmetic number, because the mean of its divisors is an integer number (10344792).

Almost surely, 2^72413502 is an apocalyptic number.

72413502 is an abundant number, since it is smaller than the sum of its proper divisors (93103170).

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

72413502 is a wasteful number, since it uses less digits than its factorization.

72413502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724143.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 72413502 is about 8509.6123295953. The cubic root of 72413502 is about 416.8116511627.

Adding to 72413502 its reverse (20531427), we get a palindrome (92944929).

The spelling of 72413502 in words is "seventy-two million, four hundred thirteen thousand, five hundred two".