613732945 has 32 divisors (see below), whose sum is σ = 878584320. Its totient is φ = 402662400.

The previous prime is 613732921. The next prime is 613732969. The reversal of 613732945 is 549237316.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (613732921) and next prime (613732969).

It is not a de Polignac number, because 613732945 - 2¹⁹ = 613208657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 613732898 and 613732907.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112020 + ... + 117370.

It is an arithmetic number, because the mean of its divisors is an integer number (27455760).

Almost surely, 2^613732945 is an apocalyptic number.

It is an amenable number.

613732945 is a deficient number, since it is larger than the sum of its proper divisors (264851375).

613732945 is a wasteful number, since it uses less digits than its factorization.

613732945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505.

The product of its digits is 136080, while the sum is 40.

The square root of 613732945 is about 24773.6340693084. The cubic root of 613732945 is about 849.8190826028.

The spelling of 613732945 in words is "six hundred thirteen million, seven hundred thirty-two thousand, nine hundred forty-five".