740681377 has 8 divisors (see below), whose sum is σ = 748883520. Its totient is φ = 732520560.

The previous prime is 740681363. The next prime is 740681411. The reversal of 740681377 is 773186047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-740681377 is a prime.

It is a super-2 number, since 2×740681377² = 1097217804469232258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (740681317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26427 + ... + 46687.

It is an arithmetic number, because the mean of its divisors is an integer number (93610440).

Almost surely, 2^740681377 is an apocalyptic number.

It is an amenable number.

740681377 is a deficient number, since it is larger than the sum of its proper divisors (8202143).

740681377 is a wasteful number, since it uses less digits than its factorization.

740681377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20663.

The product of its (nonzero) digits is 197568, while the sum is 43.

The square root of 740681377 is about 27215.4620941846. The cubic root of 740681377 is about 904.7817008550.

The spelling of 740681377 in words is "seven hundred forty million, six hundred eighty-one thousand, three hundred seventy-seven".