72429042267490 has 8 divisors (see below), whose sum is σ = 130372276081500. Its totient is φ = 28971616906992.

The previous prime is 72429042267433. The next prime is 72429042267539. The reversal of 72429042267490 is 9476224092427.

It can be written as a sum of positive squares in 2 ways, for example, as 69872730538081 + 2556311729409 = 8358991^2 + 1598847^2 .

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

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, 3621452113365 + ... + 3621452113384.

Almost surely, 2^{72429042267490} is an apocalyptic number.

72429042267490 is a deficient number, since it is larger than the sum of its proper divisors (57943233814010).

72429042267490 is a wasteful number, since it uses less digits than its factorization.

72429042267490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7242904226756.

The product of its (nonzero) digits is 24385536, while the sum is 58.

The spelling of 72429042267490 in words is "seventy-two trillion, four hundred twenty-nine billion, forty-two million, two hundred sixty-seven thousand, four hundred ninety".