72113602 has 32 divisors (see below), whose sum is σ = 125504640. Its totient is φ = 30750720.

The previous prime is 72113599. The next prime is 72113621. The reversal of 72113602 is 20631127.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25474 + ... + 28162.

It is an arithmetic number, because the mean of its divisors is an integer number (3922020).

Almost surely, 2^72113602 is an apocalyptic number.

72113602 is a deficient number, since it is larger than the sum of its proper divisors (53391038).

72113602 is a wasteful number, since it uses less digits than its factorization.

72113602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 72113602 is about 8491.9727978839. The cubic root of 72113602 is about 416.2354474918.

Adding to 72113602 its reverse (20631127), we get a palindrome (92744729).

The spelling of 72113602 in words is "seventy-two million, one hundred thirteen thousand, six hundred two".