740791599 has 4 divisors (see below), whose sum is σ = 987722136. Its totient is φ = 493861064.

The previous prime is 740791561. The next prime is 740791603. The reversal of 740791599 is 995197047.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 740791599 - 2¹⁵ = 740758831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740791529) 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, 123465264 + ... + 123465269.

It is an arithmetic number, because the mean of its divisors is an integer number (246930534).

Almost surely, 2^740791599 is an apocalyptic number.

740791599 is a deficient number, since it is larger than the sum of its proper divisors (246930537).

740791599 is a wasteful number, since it uses less digits than its factorization.

740791599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246930536.

The product of its (nonzero) digits is 714420, while the sum is 51.

The square root of 740791599 is about 27217.4870074370. The cubic root of 740791599 is about 904.8265793076.

The spelling of 740791599 in words is "seven hundred forty million, seven hundred ninety-one thousand, five hundred ninety-nine".