730146657 has 16 divisors (see below), whose sum is σ = 988450560. Its totient is φ = 479325312.

The previous prime is 730146631. The next prime is 730146667. The reversal of 730146657 is 756641037.

It is not a de Polignac number, because 730146657 - 2¹⁴ = 730130273 is a prime.

It is a super-2 number, since 2×730146657² = 1066228281456551298, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (730146607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155143 + ... + 159779.

It is an arithmetic number, because the mean of its divisors is an integer number (61778160).

Almost surely, 2^730146657 is an apocalyptic number.

It is an amenable number.

730146657 is a deficient number, since it is larger than the sum of its proper divisors (258303903).

730146657 is a wasteful number, since it uses less digits than its factorization.

730146657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5432.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 730146657 is about 27021.2260454629. The cubic root of 730146657 is about 900.4716281176.

The spelling of 730146657 in words is "seven hundred thirty million, one hundred forty-six thousand, six hundred fifty-seven".