72649002 has 16 divisors (see below), whose sum is σ = 150308640. Its totient is φ = 23381232.

The previous prime is 72648991. The next prime is 72649013. The reversal of 72649002 is 20094627.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (72648991) and next prime (72649013).

It is a super-3 number, since 3×72649002³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208588 + ... + 208935.

It is an arithmetic number, because the mean of its divisors is an integer number (9394290).

Almost surely, 2^72649002 is an apocalyptic number.

72649002 is an abundant number, since it is smaller than the sum of its proper divisors (77659638).

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

72649002 is a wasteful number, since it uses less digits than its factorization.

72649002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417557.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 72649002 is about 8523.4383906966. The cubic root of 72649002 is about 417.2630077162.

The spelling of 72649002 in words is "seventy-two million, six hundred forty-nine thousand, two".