97145270 has 16 divisors (see below), whose sum is σ = 177826320. Its totient is φ = 38199264.

The previous prime is 97145263. The next prime is 97145291. The reversal of 97145270 is 7254179.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 97145270.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81737 + ... + 82916.

It is an arithmetic number, because the mean of its divisors is an integer number (11114145).

Almost surely, 2^97145270 is an apocalyptic number.

97145270 is a deficient number, since it is larger than the sum of its proper divisors (80681050).

97145270 is a wasteful number, since it uses less digits than its factorization.

97145270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164719.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 97145270 is about 9856.2300094915. The cubic root of 97145270 is about 459.6993467008.

The spelling of 97145270 in words is "ninety-seven million, one hundred forty-five thousand, two hundred seventy".