1720097974 has 16 divisors (see below), whose sum is σ = 2976300288. Its totient is φ = 730294632.

The previous prime is 1720097957. The next prime is 1720097983. The reversal of 1720097974 is 4797900271.

It is a congruent number.

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, 572634 + ... + 575629.

It is an arithmetic number, because the mean of its divisors is an integer number (186018768).

Almost surely, 2^1720097974 is an apocalyptic number.

1720097974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1720097974 is a deficient number, since it is larger than the sum of its proper divisors (1256202314).

1720097974 is a wasteful number, since it uses less digits than its factorization.

1720097974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148379.

The product of its (nonzero) digits is 222264, while the sum is 46.

The square root of 1720097974 is about 41474.0638712919. The cubic root of 1720097974 is about 1198.1680319823.

The spelling of 1720097974 in words is "one billion, seven hundred twenty million, ninety-seven thousand, nine hundred seventy-four".