7157705732 has 6 divisors (see below), whose sum is σ = 12525985038. Its totient is φ = 3578852864.

The previous prime is 7157705729. The next prime is 7157705801. The reversal of 7157705732 is 2375077517.

It can be written as a sum of positive squares in only one way, i.e., 4686223936 + 2471481796 = 68456^2 + 49714^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 894713213 + ... + 894713220.

It is an arithmetic number, because the mean of its divisors is an integer number (2087664173).

Almost surely, 2^7157705732 is an apocalyptic number.

It is an amenable number.

7157705732 is a deficient number, since it is larger than the sum of its proper divisors (5368279306).

7157705732 is a wasteful number, since it uses less digits than its factorization.

7157705732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789426437 (or 1789426435 counting only the distinct ones).

The product of its (nonzero) digits is 360150, while the sum is 44.

The square root of 7157705732 is about 84603.2253049492. The cubic root of 7157705732 is about 1927.1903538596.

The spelling of 7157705732 in words is "seven billion, one hundred fifty-seven million, seven hundred five thousand, seven hundred thirty-two".