72698763 has 16 divisors (see below), whose sum is σ = 98833952. Its totient is φ = 47520000.

The previous prime is 72698753. The next prime is 72698779. The reversal of 72698763 is 36789627.

It is not a de Polignac number, because 72698763 - 2¹⁰ = 72697739 is a prime.

It is a super-2 number, since 2×72698763² = 10570220283460338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72698753) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 109653 + ... + 110313.

It is an arithmetic number, because the mean of its divisors is an integer number (6177122).

Almost surely, 2^72698763 is an apocalyptic number.

72698763 is a deficient number, since it is larger than the sum of its proper divisors (26135189).

72698763 is a wasteful number, since it uses less digits than its factorization.

72698763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326.

The product of its digits is 762048, while the sum is 48.

The square root of 72698763 is about 8526.3569594523. The cubic root of 72698763 is about 417.3582541987.

The spelling of 72698763 in words is "seventy-two million, six hundred ninety-eight thousand, seven hundred sixty-three".