7920032945 has 8 divisors (see below), whose sum is σ = 10368043200. Its totient is φ = 5760023920.

The previous prime is 7920032921. The next prime is 7920032963. The reversal of 7920032945 is 5492300297.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7920032945 - 2⁶ = 7920032881 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72000245 + ... + 72000354.

It is an arithmetic number, because the mean of its divisors is an integer number (1296005400).

Almost surely, 2^7920032945 is an apocalyptic number.

It is an amenable number.

7920032945 is a deficient number, since it is larger than the sum of its proper divisors (2448010255).

7920032945 is a wasteful number, since it uses less digits than its factorization.

7920032945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144000615.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 7920032945 is about 88994.5669409094. The cubic root of 7920032945 is about 1993.3137506947.

The spelling of 7920032945 in words is "seven billion, nine hundred twenty million, thirty-two thousand, nine hundred forty-five".