7198992940 has 24 divisors (see below), whose sum is σ = 15180625152. Its totient is φ = 2867646720.

The previous prime is 7198992937. The next prime is 7198992943. The reversal of 7198992940 is 492998917.

It is an interprime number because it is at equal distance from previous prime (7198992937) and next prime (7198992943).

It is not an unprimeable number, because it can be changed into a prime (7198992943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 741964 + ... + 751603.

It is an arithmetic number, because the mean of its divisors is an integer number (632526048).

Almost surely, 2^7198992940 is an apocalyptic number.

It is an amenable number.

7198992940 is an abundant number, since it is smaller than the sum of its proper divisors (7981632212).

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

7198992940 is a wasteful number, since it uses less digits than its factorization.

7198992940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493817 (or 1493815 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 58.

The square root of 7198992940 is about 84846.8793769105. The cubic root of 7198992940 is about 1930.8887367043. Note that the first 3 decimals are identical.

The spelling of 7198992940 in words is "seven billion, one hundred ninety-eight million, nine hundred ninety-two thousand, nine hundred forty".