67400674020 has 96 divisors (see below), whose sum is σ = 210055372800. Its totient is φ = 17942280192.

The previous prime is 67400673983. The next prime is 67400674037. The reversal of 67400674020 is 2047600476.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203421 + ... + 419739.

It is an arithmetic number, because the mean of its divisors is an integer number (2188076800).

Almost surely, 2^67400674020 is an apocalyptic number.

67400674020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67400674020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105027686400).

67400674020 is an abundant number, since it is smaller than the sum of its proper divisors (142654698780).

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

67400674020 is a wasteful number, since it uses less digits than its factorization.

67400674020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216914 (or 216906 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The spelling of 67400674020 in words is "sixty-seven billion, four hundred million, six hundred seventy-four thousand, twenty".