1642370372 has 6 divisors (see below), whose sum is σ = 2874148158. Its totient is φ = 821185184.

The previous prime is 1642370371. The next prime is 1642370377. The reversal of 1642370372 is 2730732461.

It can be written as a sum of positive squares in only one way, i.e., 1427630656 + 214739716 = 37784^2 + 14654^2 .

It is not an unprimeable number, because it can be changed into a prime (1642370371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205296293 + ... + 205296300.

It is an arithmetic number, because the mean of its divisors is an integer number (479024693).

Almost surely, 2^1642370372 is an apocalyptic number.

It is an amenable number.

1642370372 is a deficient number, since it is larger than the sum of its proper divisors (1231777786).

1642370372 is a wasteful number, since it uses less digits than its factorization.

1642370372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410592597 (or 410592595 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 1642370372 is about 40526.1689775878. The cubic root of 1642370372 is about 1179.8415884254.

The spelling of 1642370372 in words is "one billion, six hundred forty-two million, three hundred seventy thousand, three hundred seventy-two".