1342001772 has 18 divisors (see below), whose sum is σ = 3392282348. Its totient is φ = 447333912.

The previous prime is 1342001681. The next prime is 1342001797. The reversal of 1342001772 is 2771002431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1342001772² = 3601937512102279968, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18638878 + ... + 18638949.

Almost surely, 2^1342001772 is an apocalyptic number.

1342001772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1342001772 is an abundant number, since it is smaller than the sum of its proper divisors (2050280576).

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

1342001772 is a wasteful number, since it uses less digits than its factorization.

1342001772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37277837 (or 37277832 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 1342001772 is about 36633.3423536537. The cubic root of 1342001772 is about 1103.0224786895.

The spelling of 1342001772 in words is "one billion, three hundred forty-two million, one thousand, seven hundred seventy-two".