345520701 has 8 divisors (see below), whose sum is σ = 511882560. Its totient is φ = 230347116.

The previous prime is 345520687. The next prime is 345520711. The reversal of 345520701 is 107025543.

It is a happy number.

345520701 is a `hidden beast` number, since 3 + 455 + 207 + 0 + 1 = 666.

It is not a de Polignac number, because 345520701 - 2⁷ = 345520573 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 12797063 = 345520701 / (3 + 4 + 5 + 5 + 2 + 0 + 7 + 0 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345520711) 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, 6398505 + ... + 6398558.

It is an arithmetic number, because the mean of its divisors is an integer number (63985320).

Almost surely, 2^345520701 is an apocalyptic number.

It is an amenable number.

345520701 is a deficient number, since it is larger than the sum of its proper divisors (166361859).

345520701 is a wasteful number, since it uses less digits than its factorization.

345520701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12797072 (or 12797066 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 345520701 is about 18588.1871359205. The cubic root of 345520701 is about 701.7105790647.

The spelling of 345520701 in words is "three hundred forty-five million, five hundred twenty thousand, seven hundred one".