67985031460 has 12 divisors (see below), whose sum is σ = 142768566108. Its totient is φ = 27194012576.

The previous prime is 67985031409. The next prime is 67985031463. The reversal of 67985031460 is 6413058976.

It can be written as a sum of positive squares in 2 ways, for example, as 9090478336 + 58894553124 = 95344^2 + 242682^2 .

It is not an unprimeable number, because it can be changed into a prime (67985031463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1699625767 + ... + 1699625806.

It is an arithmetic number, because the mean of its divisors is an integer number (11897380509).

Almost surely, 2^67985031460 is an apocalyptic number.

It is an amenable number.

67985031460 is an abundant number, since it is smaller than the sum of its proper divisors (74783534648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67985031460 is a wasteful number, since it uses less digits than its factorization.

67985031460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3399251582 (or 3399251580 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 67985031460 in words is "sixty-seven billion, nine hundred eighty-five million, thirty-one thousand, four hundred sixty".