1972492234 has 8 divisors (see below), whose sum is σ = 2959658208. Its totient is φ = 985939500.

The previous prime is 1972492183. The next prime is 1972492267. The reversal of 1972492234 is 4322942791.

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

It is a super-2 number, since 2×1972492234² = 7781451226380621512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145182 + ... + 158185.

It is an arithmetic number, because the mean of its divisors is an integer number (369957276).

Almost surely, 2^1972492234 is an apocalyptic number.

1972492234 is a deficient number, since it is larger than the sum of its proper divisors (987165974).

1972492234 is a wasteful number, since it uses less digits than its factorization.

1972492234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306620.

The product of its digits is 217728, while the sum is 43.

The square root of 1972492234 is about 44412.7485526397. The cubic root of 1972492234 is about 1254.1180947247.

The spelling of 1972492234 in words is "one billion, nine hundred seventy-two million, four hundred ninety-two thousand, two hundred thirty-four".