2972390146 has 32 divisors (see below), whose sum is σ = 4955904000. Its totient is φ = 1325622480.

The previous prime is 2972390137. The next prime is 2972390147. The reversal of 2972390146 is 6410932792.

It is not an unprimeable number, because it can be changed into a prime (2972390147) 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, 775591 + ... + 779413.

It is an arithmetic number, because the mean of its divisors is an integer number (154872000).

Almost surely, 2^2972390146 is an apocalyptic number.

2972390146 is a deficient number, since it is larger than the sum of its proper divisors (1983513854).

2972390146 is a wasteful number, since it uses less digits than its factorization.

2972390146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4494.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 2972390146 is about 54519.6308314721. The cubic root of 2972390146 is about 1437.8114494514.

The spelling of 2972390146 in words is "two billion, nine hundred seventy-two million, three hundred ninety thousand, one hundred forty-six".