7934643974 has 8 divisors (see below), whose sum is σ = 12079607448. Its totient is φ = 3908108160.

The previous prime is 7934643973. The next prime is 7934644001. The reversal of 7934643974 is 4793464397.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7934643973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29606747 + ... + 29607014.

It is an arithmetic number, because the mean of its divisors is an integer number (1509950931).

Almost surely, 2^7934643974 is an apocalyptic number.

7934643974 is a deficient number, since it is larger than the sum of its proper divisors (4144963474).

7934643974 is a wasteful number, since it uses less digits than its factorization.

7934643974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59213830.

The product of its digits is 13716864, while the sum is 56.

The square root of 7934643974 is about 89076.6185595300. The cubic root of 7934643974 is about 1994.5387655325.

The spelling of 7934643974 in words is "seven billion, nine hundred thirty-four million, six hundred forty-three thousand, nine hundred seventy-four".