974055421 has 8 divisors (see below), whose sum is σ = 979115904. Its totient is φ = 969007920.

The previous prime is 974055419. The next prime is 974055431. The reversal of 974055421 is 124550479.

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

It is a cyclic number.

It is not a de Polignac number, because 974055421 - 2¹ = 974055419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974055431) 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, 170416 + ... + 176038.

It is an arithmetic number, because the mean of its divisors is an integer number (122389488).

Almost surely, 2^974055421 is an apocalyptic number.

It is an amenable number.

974055421 is a deficient number, since it is larger than the sum of its proper divisors (5060483).

974055421 is a wasteful number, since it uses less digits than its factorization.

974055421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6491.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 974055421 is about 31209.8609577166. The cubic root of 974055421 is about 991.2759187348.

The spelling of 974055421 in words is "nine hundred seventy-four million, fifty-five thousand, four hundred twenty-one".