72742002 has 16 divisors (see below), whose sum is σ = 146327040. Its totient is φ = 24106832.

The previous prime is 72742001. The next prime is 72742003. The reversal of 72742002 is 20024727.

It is an interprime number because it is at equal distance from previous prime (72742001) and next prime (72742003).

It is not an unprimeable number, because it can be changed into a prime (72742001) 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, 34002 + ... + 36077.

It is an arithmetic number, because the mean of its divisors is an integer number (9145440).

Almost surely, 2^72742002 is an apocalyptic number.

72742002 is an abundant number, since it is smaller than the sum of its proper divisors (73585038).

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

72742002 is a wasteful number, since it uses less digits than its factorization.

72742002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70257.

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 72742002 is about 8528.8921906658. The cubic root of 72742002 is about 417.4409817731.

Adding to 72742002 its reverse (20024727), we get a palindrome (92766729).

The spelling of 72742002 in words is "seventy-two million, seven hundred forty-two thousand, two".