737957997 has 12 divisors (see below), whose sum is σ = 1218216480. Its totient is φ = 421690248.

The previous prime is 737957993. The next prime is 737958019. The reversal of 737957997 is 799759737.

It is not a de Polignac number, because 737957997 - 2² = 737957993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 11713619 = 737957997 / (7 + 3 + 7 + 9 + 5 + 7 + 9 + 9 + 7).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (737957993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5856747 + ... + 5856872.

It is an arithmetic number, because the mean of its divisors is an integer number (101518040).

Almost surely, 2^737957997 is an apocalyptic number.

It is an amenable number.

737957997 is a deficient number, since it is larger than the sum of its proper divisors (480258483).

737957997 is a wasteful number, since it uses less digits than its factorization.

737957997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11713632 (or 11713629 counting only the distinct ones).

The product of its digits is 26254935, while the sum is 63.

The square root of 737957997 is about 27165.3823275138. The cubic root of 737957997 is about 903.6714211163.

The spelling of 737957997 in words is "seven hundred thirty-seven million, nine hundred fifty-seven thousand, nine hundred ninety-seven".