7949073400 has 24 divisors (see below), whose sum is σ = 18481596120. Its totient is φ = 3179629280.

The previous prime is 7949073371. The next prime is 7949073499. The reversal of 7949073400 is 43709497.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19872484 + ... + 19872883.

It is an arithmetic number, because the mean of its divisors is an integer number (770066505).

Almost surely, 2^7949073400 is an apocalyptic number.

It is an amenable number.

7949073400 is an abundant number, since it is smaller than the sum of its proper divisors (10532522720).

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

7949073400 is a wasteful number, since it uses less digits than its factorization.

7949073400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39745383 (or 39745374 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 7949073400 is about 89157.5762344401. The cubic root of 7949073400 is about 1995.7470794102.

The spelling of 7949073400 in words is "seven billion, nine hundred forty-nine million, seventy-three thousand, four hundred".