1373547642 has 64 divisors (see below), whose sum is σ = 2868203520. Its totient is φ = 438192000.

The previous prime is 1373547613. The next prime is 1373547647. The reversal of 1373547642 is 2467453731.

It is a junction number, because it is equal to n+sod(n) for n = 1373547594 and 1373547603.

It is not an unprimeable number, because it can be changed into a prime (1373547647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3825859 + ... + 3826217.

It is an arithmetic number, because the mean of its divisors is an integer number (44815680).

Almost surely, 2^1373547642 is an apocalyptic number.

1373547642 is an abundant number, since it is smaller than the sum of its proper divisors (1494655878).

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

1373547642 is a wasteful number, since it uses less digits than its factorization.

1373547642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659.

The product of its digits is 423360, while the sum is 42.

The square root of 1373547642 is about 37061.4036701256. The cubic root of 1373547642 is about 1111.5983903525.

The spelling of 1373547642 in words is "one billion, three hundred seventy-three million, five hundred forty-seven thousand, six hundred forty-two".