740158949 has 2 divisors, whose sum is σ = 740158950. Its totient is φ = 740158948.

The previous prime is 740158931. The next prime is 740158963. The reversal of 740158949 is 949851047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 526473025 + 213685924 = 22945^2 + 14618^2 .

It is a cyclic number.

It is not a de Polignac number, because 740158949 - 2²⁸ = 471723493 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740158999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370079474 + 370079475.

It is an arithmetic number, because the mean of its divisors is an integer number (370079475).

Almost surely, 2^740158949 is an apocalyptic number.

It is an amenable number.

740158949 is a deficient number, since it is larger than the sum of its proper divisors (1).

740158949 is an equidigital number, since it uses as much as digits as its factorization.

740158949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 740158949 is about 27205.8624013281. The cubic root of 740158949 is about 904.5689262910.

The spelling of 740158949 in words is "seven hundred forty million, one hundred fifty-eight thousand, nine hundred forty-nine".