73047279102 has 192 divisors, whose sum is σ = 178230657024. Its totient is φ = 19878022080.

The previous prime is 73047279091. The next prime is 73047279113. The reversal of 73047279102 is 20197274037.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (73047279091) and next prime (73047279113).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 258117453 + ... + 258117735.

It is an arithmetic number, because the mean of its divisors is an integer number (928284672).

Almost surely, 2^73047279102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73047279102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89115328512).

73047279102 is an abundant number, since it is smaller than the sum of its proper divisors (105183377922).

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

73047279102 is a wasteful number, since it uses less digits than its factorization.

73047279102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 42.

The spelling of 73047279102 in words is "seventy-three billion, forty-seven million, two hundred seventy-nine thousand, one hundred two".