72058021542 has 24 divisors (see below), whose sum is σ = 168135384144. Its totient is φ = 22171698864.

The previous prime is 72058021537. The next prime is 72058021547. The reversal of 72058021542 is 24512085027.

It is a happy number.

72058021542 is a `hidden beast` number, since 7 + 2 + 0 + 580 + 21 + 54 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (72058021537) and next prime (72058021547).

It is a junction number, because it is equal to n+sod(n) for n = 72058021497 and 72058021506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72058021547) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 153969898 + ... + 153970365.

It is an arithmetic number, because the mean of its divisors is an integer number (7005641006).

Almost surely, 2^72058021542 is an apocalyptic number.

72058021542 is an abundant number, since it is smaller than the sum of its proper divisors (96077362602).

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

72058021542 is a wasteful number, since it uses less digits than its factorization.

72058021542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307940284 (or 307940281 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The spelling of 72058021542 in words is "seventy-two billion, fifty-eight million, twenty-one thousand, five hundred forty-two".