1974057534 has 16 divisors (see below), whose sum is σ = 4386794640. Its totient is φ = 658019160.

The previous prime is 1974057529. The next prime is 1974057541. The reversal of 1974057534 is 4357504791.

1974057534 is a `hidden beast` number, since 1 + 9 + 7 + 40 + 575 + 34 = 666.

It is a super-2 number, since 2×1974057534² = 7793806295084322312, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1974057534.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18278257 + ... + 18278364.

It is an arithmetic number, because the mean of its divisors is an integer number (274174665).

Almost surely, 2^1974057534 is an apocalyptic number.

1974057534 is an abundant number, since it is smaller than the sum of its proper divisors (2412737106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1974057534 is a wasteful number, since it uses less digits than its factorization.

1974057534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36556632 (or 36556626 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The square root of 1974057534 is about 44430.3672503390. The cubic root of 1974057534 is about 1254.4497482498.

The spelling of 1974057534 in words is "one billion, nine hundred seventy-four million, fifty-seven thousand, five hundred thirty-four".