740899231 has 2 divisors, whose sum is σ = 740899232. Its totient is φ = 740899230.

The previous prime is 740899223. The next prime is 740899241. The reversal of 740899231 is 132998047.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 740899231 - 2³ = 740899223 is a prime.

It is a super-2 number, since 2×740899231² = 1097863340992782722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740899241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370449615 + 370449616.

It is an arithmetic number, because the mean of its divisors is an integer number (370449616).

Almost surely, 2^740899231 is an apocalyptic number.

740899231 is a deficient number, since it is larger than the sum of its proper divisors (1).

740899231 is an equidigital number, since it uses as much as digits as its factorization.

740899231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 740899231 is about 27219.4641938448. The cubic root of 740899231 is about 904.8703989092.

The spelling of 740899231 in words is "seven hundred forty million, eight hundred ninety-nine thousand, two hundred thirty-one".