1630254073 has 8 divisors (see below), whose sum is σ = 1864039680. Its totient is φ = 1396691520.

The previous prime is 1630254061. The next prime is 1630254089. The reversal of 1630254073 is 3704520361.

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

It is a de Polignac number, because none of the positive numbers 2^k-1630254073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1630254023) 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, 39793 + ... + 69598.

It is an arithmetic number, because the mean of its divisors is an integer number (233004960).

Almost surely, 2^1630254073 is an apocalyptic number.

It is an amenable number.

1630254073 is a deficient number, since it is larger than the sum of its proper divisors (233785607).

1630254073 is a wasteful number, since it uses less digits than its factorization.

1630254073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111527.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 1630254073 is about 40376.4049043498. The cubic root of 1630254073 is about 1176.9330662442.

The spelling of 1630254073 in words is "one billion, six hundred thirty million, two hundred fifty-four thousand, seventy-three".