73670925481 has 8 divisors (see below), whose sum is σ = 75585538728. Its totient is φ = 71761920000.

The previous prime is 73670925443. The next prime is 73670925511. The reversal of 73670925481 is 18452907637.

It can be written as a sum of positive squares in 4 ways, for example, as 25716933225 + 47953992256 = 160365^2 + 218984^2 .

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

It is a 7-Lehmer number, since φ(73670925481) divides (73670925481-1)⁷.

It is a cyclic number.

It is not a de Polignac number, because 73670925481 - 2³³ = 65080990889 is a prime.

It is a super-2 number, since 2×73670925481² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73670925401) 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, 1375320 + ... + 1427881.

It is an arithmetic number, because the mean of its divisors is an integer number (9448192341).

It is a 2-persistent number, because it is pandigital, and so is 2⋅73670925481 = 147341850962, but 3⋅73670925481 = 221012776443 is not.

Almost surely, 2^73670925481 is an apocalyptic number.

It is an amenable number.

73670925481 is a deficient number, since it is larger than the sum of its proper divisors (1914613247).

73670925481 is a wasteful number, since it uses less digits than its factorization.

73670925481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803883.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 73670925481 in words is "seventy-three billion, six hundred seventy million, nine hundred twenty-five thousand, four hundred eighty-one".