67620515076745 has 32 divisors (see below), whose sum is σ = 84232890464256. Its totient is φ = 52075458316800.

The previous prime is 67620515076739. The next prime is 67620515076809. The reversal of 67620515076745 is 54767051502676.

It is not a de Polignac number, because 67620515076745 - 2⁷ = 67620515076617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 448911232 + ... + 449061838.

It is an arithmetic number, because the mean of its divisors is an integer number (2632277827008).

Almost surely, 2^{67620515076745} is an apocalyptic number.

It is an amenable number.

67620515076745 is a deficient number, since it is larger than the sum of its proper divisors (16612375387511).

67620515076745 is a wasteful number, since it uses less digits than its factorization.

67620515076745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182041.

The product of its (nonzero) digits is 74088000, while the sum is 61.

The spelling of 67620515076745 in words is "sixty-seven trillion, six hundred twenty billion, five hundred fifteen million, seventy-six thousand, seven hundred forty-five".