72354210607451 has 4 divisors (see below), whose sum is σ = 72368400495000. Its totient is φ = 72340020719904.

The previous prime is 72354210607439. The next prime is 72354210607457. The reversal of 72354210607451 is 15470601245327.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72354210607451 - 2²² = 72354206413147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72354210607396 and 72354210607405.

It is not an unprimeable number, because it can be changed into a prime (72354210607457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7094936126 + ... + 7094946323.

It is an arithmetic number, because the mean of its divisors is an integer number (18092100123750).

Almost surely, 2^{72354210607451} is an apocalyptic number.

72354210607451 is a deficient number, since it is larger than the sum of its proper divisors (14189887549).

72354210607451 is a wasteful number, since it uses less digits than its factorization.

72354210607451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14189887548.

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 72354210607451 in words is "seventy-two trillion, three hundred fifty-four billion, two hundred ten million, six hundred seven thousand, four hundred fifty-one".