72452066408626 has 4 divisors (see below), whose sum is σ = 108678099612942. Its totient is φ = 36226033204312.

The previous prime is 72452066408497. The next prime is 72452066408677. The reversal of 72452066408626 is 62680466025427.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 47053439921601 + 25398626487025 = 6859551^2 + 5039705^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18113016602155 + ... + 18113016602158.

Almost surely, 2^{72452066408626} is an apocalyptic number.

72452066408626 is a deficient number, since it is larger than the sum of its proper divisors (36226033204316).

72452066408626 is a wasteful number, since it uses less digits than its factorization.

72452066408626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36226033204315.

The product of its (nonzero) digits is 46448640, while the sum is 58.

The spelling of 72452066408626 in words is "seventy-two trillion, four hundred fifty-two billion, sixty-six million, four hundred eight thousand, six hundred twenty-six".