1974345086 has 64 divisors (see below), whose sum is σ = 3588406272. Its totient is φ = 797029632.

The previous prime is 1974345077. The next prime is 1974345091. The reversal of 1974345086 is 6805434791.

It is a super-2 number, since 2×1974345086² = 7796077037224694792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1974345086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3051215 + ... + 3051861.

It is an arithmetic number, because the mean of its divisors is an integer number (56068848).

Almost surely, 2^1974345086 is an apocalyptic number.

1974345086 is a deficient number, since it is larger than the sum of its proper divisors (1614061186).

1974345086 is a wasteful number, since it uses less digits than its factorization.

1974345086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 1974345086 is about 44433.6031174606. The cubic root of 1974345086 is about 1254.5106552926.

The spelling of 1974345086 in words is "one billion, nine hundred seventy-four million, three hundred forty-five thousand, eighty-six".