736996973 has 4 divisors (see below), whose sum is σ = 737075040. Its totient is φ = 736918908.

The previous prime is 736996951. The next prime is 736997029. The reversal of 736996973 is 379699637.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 379699637 = 5209 ⋅72893.

It is a cyclic number.

It is not a de Polignac number, because 736996973 - 2²⁸ = 468561517 is a prime.

It is a super-2 number, since 2×736996973² = 1086329076422325458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (736996943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22553 + ... + 44526.

It is an arithmetic number, because the mean of its divisors is an integer number (184268760).

Almost surely, 2^736996973 is an apocalyptic number.

It is an amenable number.

736996973 is a deficient number, since it is larger than the sum of its proper divisors (78067).

736996973 is a wasteful number, since it uses less digits than its factorization.

736996973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78066.

The product of its digits is 11573604, while the sum is 59.

The square root of 736996973 is about 27147.6881704502. The cubic root of 736996973 is about 903.2789745782.

The spelling of 736996973 in words is "seven hundred thirty-six million, nine hundred ninety-six thousand, nine hundred seventy-three".