72602061 has 8 divisors (see below), whose sum is σ = 110631744. Its totient is φ = 41486880.

The previous prime is 72602041. The next prime is 72602069. The reversal of 72602061 is 16020627.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72602061 - 2⁷ = 72601933 is a prime.

It is a super-2 number, since 2×72602061² = 10542118522895442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72602069) 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, 1728600 + ... + 1728641.

It is an arithmetic number, because the mean of its divisors is an integer number (13828968).

Almost surely, 2^72602061 is an apocalyptic number.

It is an amenable number.

72602061 is a deficient number, since it is larger than the sum of its proper divisors (38029683).

72602061 is a wasteful number, since it uses less digits than its factorization.

72602061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3457251.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 72602061 is about 8520.6843035052. The cubic root of 72602061 is about 417.1731190627.

Adding to 72602061 its reverse (16020627), we get a palindrome (88622688).

The spelling of 72602061 in words is "seventy-two million, six hundred two thousand, sixty-one".