97473620940 has 48 divisors (see below), whose sum is σ = 275476868352. Its totient is φ = 25750038976.

The previous prime is 97473620939. The next prime is 97473620941. The reversal of 97473620940 is 4902637479.

It is an interprime number because it is at equal distance from previous prime (97473620939) and next prime (97473620941).

It is a super-2 number, since 2×97473620940² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97473620941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7584984 + ... + 7597823.

It is an arithmetic number, because the mean of its divisors is an integer number (5739101424).

Almost surely, 2^97473620940 is an apocalyptic number.

It is an amenable number.

97473620940 is an abundant number, since it is smaller than the sum of its proper divisors (178003247412).

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

97473620940 is a wasteful number, since it uses less digits than its factorization.

97473620940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15182926 (or 15182924 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 51.

The spelling of 97473620940 in words is "ninety-seven billion, four hundred seventy-three million, six hundred twenty thousand, nine hundred forty".