61073020032 has 64 divisors (see below), whose sum is σ = 167819212800. Its totient is φ = 19655681024.

The previous prime is 61073020027. The next prime is 61073020033. The reversal of 61073020032 is 23002037016.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 61073019984 and 61073020011.

It is not an unprimeable number, because it can be changed into a prime (61073020033) 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, 2731008 + ... + 2753279.

It is an arithmetic number, because the mean of its divisors is an integer number (2622175200).

Almost surely, 2^61073020032 is an apocalyptic number.

It is an amenable number.

61073020032 is an abundant number, since it is smaller than the sum of its proper divisors (106746192768).

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

61073020032 is a wasteful number, since it uses less digits than its factorization.

61073020032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5484333 (or 5484321 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

Adding to 61073020032 its reverse (23002037016), we get a palindrome (84075057048).

The spelling of 61073020032 in words is "sixty-one billion, seventy-three million, twenty thousand, thirty-two".