7150154728 has 8 divisors (see below), whose sum is σ = 13406540130. Its totient is φ = 3575077360.

The previous prime is 7150154699. The next prime is 7150154731. The reversal of 7150154728 is 8274510517.

It can be written as a sum of positive squares in only one way, i.e., 4518259524 + 2631895204 = 67218^2 + 51302^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×7150154728² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 446884663 + ... + 446884678.

Almost surely, 2^7150154728 is an apocalyptic number.

It is an amenable number.

7150154728 is a deficient number, since it is larger than the sum of its proper divisors (6256385402).

7150154728 is a wasteful number, since it uses less digits than its factorization.

7150154728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893769347 (or 893769343 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 40.

The square root of 7150154728 is about 84558.5875473331. The cubic root of 7150154728 is about 1926.5124205061.

The spelling of 7150154728 in words is "seven billion, one hundred fifty million, one hundred fifty-four thousand, seven hundred twenty-eight".