73667073737040 has 80 divisors (see below), whose sum is σ = 260991918388608. Its totient is φ = 16838188282368.

The previous prime is 73667073737029. The next prime is 73667073737057. The reversal of 73667073737040 is 4073737076637.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×73667073737040² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21924722647 + ... + 21924726006.

Almost surely, 2^{73667073737040} is an apocalyptic number.

73667073737040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

73667073737040 is an abundant number, since it is smaller than the sum of its proper divisors (187324844651568).

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

73667073737040 is a wasteful number, since it uses less digits than its factorization.

73667073737040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43849448676 (or 43849448670 counting only the distinct ones).

The product of its (nonzero) digits is 65345616, while the sum is 60.

The spelling of 73667073737040 in words is "seventy-three trillion, six hundred sixty-seven billion, seventy-three million, seven hundred thirty-seven thousand, forty".