1342770740 has 12 divisors (see below), whose sum is σ = 2819818596. Its totient is φ = 537108288.

The previous prime is 1342770733. The next prime is 1342770749. The reversal of 1342770740 is 470772431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 740166436 + 602604304 = 27206^2 + 24548^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1342770740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342770749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33569249 + ... + 33569288.

It is an arithmetic number, because the mean of its divisors is an integer number (234984883).

Almost surely, 2^1342770740 is an apocalyptic number.

1342770740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1342770740 is an abundant number, since it is smaller than the sum of its proper divisors (1477047856).

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

1342770740 is a wasteful number, since it uses less digits than its factorization.

1342770740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67138546 (or 67138544 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 1342770740 is about 36643.8363166304. The cubic root of 1342770740 is about 1103.2331160261.

The spelling of 1342770740 in words is "one billion, three hundred forty-two million, seven hundred seventy thousand, seven hundred forty".