97634213730 has 64 divisors (see below), whose sum is σ = 266412769920. Its totient is φ = 25430303808.

The previous prime is 97634213701. The next prime is 97634213749. The reversal of 97634213730 is 3731243679.

It is a happy number.

97634213730 is a `hidden beast` number, since 9 + 7 + 634 + 2 + 1 + 3 + 7 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4193137 + ... + 4216356.

It is an arithmetic number, because the mean of its divisors is an integer number (4162699530).

Almost surely, 2^97634213730 is an apocalyptic number.

97634213730 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

97634213730 is an abundant number, since it is smaller than the sum of its proper divisors (168778556190).

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

97634213730 is a wasteful number, since it uses less digits than its factorization.

97634213730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8409552 (or 8409546 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 45.

It can be divided in two parts, 97634 and 213730, that added together give a square (311364 = 558²).

The spelling of 97634213730 in words is "ninety-seven billion, six hundred thirty-four million, two hundred thirteen thousand, seven hundred thirty".