72848607394 has 4 divisors (see below), whose sum is σ = 109272911094. Its totient is φ = 36424303696.

The previous prime is 72848607379. The next prime is 72848607443. The reversal of 72848607394 is 49370684827.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49370684827 = 17 ⋅2904157931.

It can be written as a sum of positive squares in only one way, i.e., 66583093369 + 6265514025 = 258037^2 + 79155^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18212151847 + ... + 18212151850.

Almost surely, 2^72848607394 is an apocalyptic number.

72848607394 is a deficient number, since it is larger than the sum of its proper divisors (36424303700).

72848607394 is a wasteful number, since it uses less digits than its factorization.

72848607394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36424303699.

The product of its (nonzero) digits is 16257024, while the sum is 58.

The spelling of 72848607394 in words is "seventy-two billion, eight hundred forty-eight million, six hundred seven thousand, three hundred ninety-four".