740153281 has 24 divisors (see below), whose sum is σ = 891142560. Its totient is φ = 612545472.

The previous prime is 740153251. The next prime is 740153311. The reversal of 740153281 is 182351047.

It is an interprime number because it is at equal distance from previous prime (740153251) and next prime (740153311).

It is not a de Polignac number, because 740153281 - 2⁷ = 740153153 is a prime.

It is a super-2 number, since 2×740153281² = 1095653758750129922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (740153201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185550 + ... + 189496.

It is an arithmetic number, because the mean of its divisors is an integer number (37130940).

Almost surely, 2^740153281 is an apocalyptic number.

It is an amenable number.

740153281 is a deficient number, since it is larger than the sum of its proper divisors (150989279).

740153281 is a wasteful number, since it uses less digits than its factorization.

740153281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4093 (or 4086 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 740153281 is about 27205.7582324037. The cubic root of 740153281 is about 904.5666172781.

The spelling of 740153281 in words is "seven hundred forty million, one hundred fifty-three thousand, two hundred eighty-one".