740881157 has 8 divisors (see below), whose sum is σ = 757239840. Its totient is φ = 724699600.

The previous prime is 740881153. The next prime is 740881159. The reversal of 740881157 is 751188047.

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

It is a cyclic number.

It is not a de Polignac number, because 740881157 - 2² = 740881153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740881153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35807 + ... + 52572.

It is an arithmetic number, because the mean of its divisors is an integer number (94654980).

Almost surely, 2^740881157 is an apocalyptic number.

It is an amenable number.

740881157 is a deficient number, since it is larger than the sum of its proper divisors (16358683).

740881157 is a wasteful number, since it uses less digits than its factorization.

740881157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88563.

The product of its (nonzero) digits is 62720, while the sum is 41.

The square root of 740881157 is about 27219.1321867542. The cubic root of 740881157 is about 904.8630408413.

The spelling of 740881157 in words is "seven hundred forty million, eight hundred eighty-one thousand, one hundred fifty-seven".