749137901 has 2 divisors, whose sum is σ = 749137902. Its totient is φ = 749137900.

The previous prime is 749137891. The next prime is 749137933. The reversal of 749137901 is 109731947.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 552297001 + 196840900 = 23501^2 + 14030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-749137901 is a prime.

It is a super-2 number, since 2×749137901² = 1122415189429371602, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749137951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374568950 + 374568951.

It is an arithmetic number, because the mean of its divisors is an integer number (374568951).

Almost surely, 2^749137901 is an apocalyptic number.

It is an amenable number.

749137901 is a deficient number, since it is larger than the sum of its proper divisors (1).

749137901 is an equidigital number, since it uses as much as digits as its factorization.

749137901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 749137901 is about 27370.3836472929. The cubic root of 749137901 is about 908.2120434257.

The spelling of 749137901 in words is "seven hundred forty-nine million, one hundred thirty-seven thousand, nine hundred one".