740157 has 12 divisors (see below), whose sum is σ = 1085280. Its totient is φ = 448360.

The previous prime is 740153. The next prime is 740161. The reversal of 740157 is 751047.

It is an interprime number because it is at equal distance from previous prime (740153) and next prime (740161).

It is not a de Polignac number, because 740157 - 2² = 740153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 657 + ... + 1382.

It is an arithmetic number, because the mean of its divisors is an integer number (90440).

2⁷⁴⁰¹⁵⁷ is an apocalyptic number.

It is an amenable number.

740157 is a deficient number, since it is larger than the sum of its proper divisors (345123).

740157 is a wasteful number, since it uses less digits than its factorization.

740157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064 (or 2053 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 740157 is about 860.3237762610. The cubic root of 740157 is about 90.4568132315.

The spelling of 740157 in words is "seven hundred forty thousand, one hundred fifty-seven".