345703457 has 8 divisors (see below), whose sum is σ = 377281632. Its totient is φ = 314150400.

The previous prime is 345703427. The next prime is 345703459. The reversal of 345703457 is 754307543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345703457 - 2²⁶ = 278594593 is a prime.

It is a super-4 number, since 4×345703457⁴ (a number of 35 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345703457.

It is not an unprimeable number, because it can be changed into a prime (345703459) 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, 33482 + ... + 42572.

It is an arithmetic number, because the mean of its divisors is an integer number (47160204).

Almost surely, 2^345703457 is an apocalyptic number.

It is an amenable number.

345703457 is a deficient number, since it is larger than the sum of its proper divisors (31578175).

345703457 is a wasteful number, since it uses less digits than its factorization.

345703457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12559.

The product of its (nonzero) digits is 176400, while the sum is 38.

The square root of 345703457 is about 18593.1024038486. The cubic root of 345703457 is about 701.8342756716.

The spelling of 345703457 in words is "three hundred forty-five million, seven hundred three thousand, four hundred fifty-seven".