61970451 has 8 divisors (see below), whose sum is σ = 82765824. Its totient is φ = 41244360.

The previous prime is 61970437. The next prime is 61970459. The reversal of 61970451 is 15407916.

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

It is not a de Polignac number, because 61970451 - 2⁶ = 61970387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61970459) 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, 15195 + ... + 18836.

It is an arithmetic number, because the mean of its divisors is an integer number (10345728).

Almost surely, 2^61970451 is an apocalyptic number.

61970451 is a deficient number, since it is larger than the sum of its proper divisors (20795373).

61970451 is a wasteful number, since it uses less digits than its factorization.

61970451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34641.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 61970451 is about 7872.1312870150. The cubic root of 61970451 is about 395.7262736972.

The spelling of 61970451 in words is "sixty-one million, nine hundred seventy thousand, four hundred fifty-one".