345533740 has 24 divisors (see below), whose sum is σ = 736453872. Its totient is φ = 136150080.

The previous prime is 345533737. The next prime is 345533743. The reversal of 345533740 is 47335543.

It is an interprime number because it is at equal distance from previous prime (345533737) and next prime (345533743).

It is a junction number, because it is equal to n+sod(n) for n = 345533696 and 345533705.

It is not an unprimeable number, because it can be changed into a prime (345533743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127591 + ... + 130270.

It is an arithmetic number, because the mean of its divisors is an integer number (30685578).

Almost surely, 2^345533740 is an apocalyptic number.

It is an amenable number.

345533740 is an abundant number, since it is smaller than the sum of its proper divisors (390920132).

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

345533740 is a wasteful number, since it uses less digits than its factorization.

345533740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257937 (or 257935 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 34.

The square root of 345533740 is about 18588.5378661152. The cubic root of 345533740 is about 701.7194058288.

The spelling of 345533740 in words is "three hundred forty-five million, five hundred thirty-three thousand, seven hundred forty".