1901274073 has 8 divisors (see below), whose sum is σ = 1913315688. Its totient is φ = 1889255424.

The previous prime is 1901274049. The next prime is 1901274143. The reversal of 1901274073 is 3704721091.

It can be written as a sum of positive squares in 4 ways, for example, as 10067929 + 1891206144 = 3173^2 + 43488^2 .

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 1901274073 - 2⁵ = 1901274041 is a prime.

It is a super-2 number, since 2×1901274073² = 7229686201324018658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1901244073) 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, 178761 + ... + 189097.

It is an arithmetic number, because the mean of its divisors is an integer number (239164461).

Almost surely, 2^1901274073 is an apocalyptic number.

It is an amenable number.

1901274073 is a deficient number, since it is larger than the sum of its proper divisors (12041615).

1901274073 is a wasteful number, since it uses less digits than its factorization.

1901274073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11483.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 1901274073 is about 43603.6016058307. The cubic root of 1901274073 is about 1238.8391131798.

The spelling of 1901274073 in words is "one billion, nine hundred one million, two hundred seventy-four thousand, seventy-three".