72550547001542 has 8 divisors (see below), whose sum is σ = 109824222525600. Its totient is φ = 35942472826344.

The previous prime is 72550547001533. The next prime is 72550547001551. The reversal of 72550547001542 is 24510074505527.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (72550547001533) and next prime (72550547001551).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166400336942 + ... + 166400337377.

It is an arithmetic number, because the mean of its divisors is an integer number (13728027815700).

Almost surely, 2^{72550547001542} is an apocalyptic number.

72550547001542 is a deficient number, since it is larger than the sum of its proper divisors (37273675524058).

72550547001542 is a wasteful number, since it uses less digits than its factorization.

72550547001542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332800674430.

The product of its (nonzero) digits is 1960000, while the sum is 47.

The spelling of 72550547001542 in words is "seventy-two trillion, five hundred fifty billion, five hundred forty-seven million, one thousand, five hundred forty-two".