61458673000 has 64 divisors (see below), whose sum is σ = 151382462400. Its totient is φ = 23289595200.

The previous prime is 61458672997. The next prime is 61458673007. The reversal of 61458673000 is 37685416.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (61458673007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1598334 + ... + 1636333.

It is an arithmetic number, because the mean of its divisors is an integer number (2365350975).

Almost surely, 2^61458673000 is an apocalyptic number.

It is an amenable number.

61458673000 is an abundant number, since it is smaller than the sum of its proper divisors (89923789400).

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

61458673000 is a wasteful number, since it uses less digits than its factorization.

61458673000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234707 (or 3234693 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 61458673000 in words is "sixty-one billion, four hundred fifty-eight million, six hundred seventy-three thousand".