61370045 has 16 divisors (see below), whose sum is σ = 80498880. Its totient is φ = 44544000.

The previous prime is 61370033. The next prime is 61370053. The reversal of 61370045 is 54007316.

It is not a de Polignac number, because 61370045 - 2¹⁴ = 61353661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61369996 and 61370023.

It is a congruent number.

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, 41570 + ... + 43020.

It is an arithmetic number, because the mean of its divisors is an integer number (5031180).

Almost surely, 2^61370045 is an apocalyptic number.

It is an amenable number.

61370045 is a deficient number, since it is larger than the sum of its proper divisors (19128835).

61370045 is a wasteful number, since it uses less digits than its factorization.

61370045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 61370045 is about 7833.9035608054. The cubic root of 61370045 is about 394.4441147183. Note that the first 3 decimals are identical.

The spelling of 61370045 in words is "sixty-one million, three hundred seventy thousand, forty-five".