345197370 has 32 divisors (see below), whose sum is σ = 946827648. Its totient is φ = 78902208.

The previous prime is 345197357. The next prime is 345197399. The reversal of 345197370 is 73791543.

It is a happy number.

It is a super-2 number, since 2×345197370² = 238322448509833800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 821689 + ... + 822108.

It is an arithmetic number, because the mean of its divisors is an integer number (29588364).

Almost surely, 2^345197370 is an apocalyptic number.

345197370 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

345197370 is an abundant number, since it is smaller than the sum of its proper divisors (601630278).

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

345197370 is a wasteful number, since it uses less digits than its factorization.

345197370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643814.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 345197370 is about 18579.4878831468. The cubic root of 345197370 is about 701.4916287570.

The spelling of 345197370 in words is "three hundred forty-five million, one hundred ninety-seven thousand, three hundred seventy".