61972325542 has 8 divisors (see below), whose sum is σ = 92959569936. Its totient is φ = 30985802232.

The previous prime is 61972325531. The next prime is 61972325549. The reversal of 61972325542 is 24552327916.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 61972325492 and 61972325501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61972325549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173223 + ... + 392365.

It is an arithmetic number, because the mean of its divisors is an integer number (11619946242).

Almost surely, 2^61972325542 is an apocalyptic number.

61972325542 is a deficient number, since it is larger than the sum of its proper divisors (30987244394).

61972325542 is a wasteful number, since it uses less digits than its factorization.

61972325542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360542.

The product of its digits is 907200, while the sum is 46.

The spelling of 61972325542 in words is "sixty-one billion, nine hundred seventy-two million, three hundred twenty-five thousand, five hundred forty-two".