73274689152 has 160 divisors (see below), whose sum is σ = 249216575520. Its totient is φ = 20935604736.

The previous prime is 73274689141. The next prime is 73274689171. The reversal of 73274689152 is 25198647237.

It is a happy number.

73274689152 is a `hidden beast` number, since 7 + 3 + 27 + 468 + 9 + 152 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 432238 + ... + 577389.

It is an arithmetic number, because the mean of its divisors is an integer number (1557603597).

Almost surely, 2^73274689152 is an apocalyptic number.

73274689152 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

73274689152 is an abundant number, since it is smaller than the sum of its proper divisors (175941886368).

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

73274689152 is a wasteful number, since it uses less digits than its factorization.

73274689152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009660 (or 1009639 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The spelling of 73274689152 in words is "seventy-three billion, two hundred seventy-four million, six hundred eighty-nine thousand, one hundred fifty-two".